Call when an agent needs whether a YYYY-MM-DD date is a public holiday, plus the
Call when an agent needs whether a YYYY-MM-DD date is a public holiday, plus the English name. Send date and country (ISO 3166-1 alpha-2). Covers US, CA, GB, IE, and much of Europe plus AU and NZ. Unknown countries error. No network. Send JSON {"date":"2026-12-25","country":"US"}. Exact $0.003 USDC on Base. Try unpaid POST /v1/sandbox/holiday-check first.
Not tested: has real-world effectsour last check, 2026-10-11
0 of 0checks answered this week
n/amedian answer time
$0.003listed price per call
n/aprice it asked us
Paid test badge: not yet. The checks above are free: we call the tool without paying and read the payment request it sends back. The Verified badge needs paid calls whose answers match the promised output, and nobody can buy a badge.
Endpoint
POST https://agentshelf.syntexa.ch/v1/holiday-check
| Category | Code and developer |
|---|---|
| Provider host | agentshelf.syntexa.ch |
| Networks | eip155:8453 |
| Payment schemes | exact |
| Self-reported calls, 30 days | 1 from 1 payers (the provider's figure, not ours) |
Our checks, last 30 days
We never call tools that send, buy, move money or file anything, not even without paying.
Example input (from the provider)
{
"body": {
"country": "US",
"date": "2026-12-25"
},
"bodyType": "json",
"method": "POST",
"type": "http"
}
Promised output schema (from the provider)
{
"$schema": "https://json-schema.org/draft/2020-12/schema",
"properties": {
"input": {
"additionalProperties": false,
"properties": {
"body": {
"additionalProperties": false,
"examples": [
{
"country": "US",
"date": "2026-12-25"
}
],
"properties": {
"country": {
"description": "ISO 3166-1 alpha-2 country. Example: US. Bundled calendars: US, CA, GB, IE, DE, FR, IT, CH, AT, BE, NL, LU, ES, PT, PL, SE, NO, DK, FI, AU, NZ. Unknown codes error. National days only; regional holidays are omitted. The calendar field names the set.",
"examples": [
"US"
],
"maxLength": 2,
"minLength": 2,
"type": "string"
},
"date": {
"description": "Calendar date in YYYY-MM-DD. Example: 2026-12-25. Interpreted as a civil date, not a timestamp. Returns holiday and English names. Years outside 1970-2100 are rejected.",
"examples": [
"2026-12-25"
],
"pattern": "^\\d{4}-\\d{2}-\\d{2}$",
"type": "string"
}
},
"required": [
"date",
"country"
],
"type": "object"
},
"bodyType": {
"enum": [
"json",
"form-data",
"text"
],
"type": "string"
},
"method": {
"enum": [
"POST"
],
"type": "string"
},
"type": {
"const": "http",
"type": "string"
}
},
"required": [
"type",
"method",
"bodyType",
"body"
],
"type": "object"
},
"output": {
"properties": {
"example": {
"additionalProperties": false,
"examples": [
{
"billed": true,
"calendar": "US federal holidays. Weekend dates also list the observed weekday.",
"country": "US",
"date": "2026-12-25",
"holiday": true,
"names": [
"Christmas Day"
],
"ok": true,
"receipt_id": "rcpt_01EXAMPLE000000000000000",
"warnings": []
}
],
"properties": {
"billed": {
"examples": [
true
],
"type": "boolean"
},
"calendar": {
"examples": [
"US federal holidays. Weekend dates also list the observed weekday."
],
"type": "string"
},
"country": {
"examples": [
"US"
],
"type": "string"
},
"date": {
"examples": [
"2026-12-25"
],
"type": "string"
},
"holiday": {
"examples": [
true
],
"type": "boolean"
},
"names": {
"examples": [
[
"Christmas Day"
]
],
"items": {
"type": "string"
},
"type": "array"
},
"ok": {
"const": true,
"examples": [
true
],
"type": "boolean"
},
"receipt_id": {
"examples": [
"rcpt_01EXAMPLE000000000000000"
],
"type": "string"
},
"warnings": {
"default": [],
"examples": [
[]
],
"items": {
"type": "string"
},
"type": "array"
}
},
"required": [
"ok",
"receipt_id",
"billed",
"date",
"country",
"holiday",
"names",
"calendar"
],
"type": "object"
},
"type": {
"type": "string"
}
},
"required": [
"type"
],
"type": "object"
}
},
"required": [
"input"
],
"type": "object"
}